joshelser commented on a change in pull request #3389:
URL: https://github.com/apache/hbase/pull/3389#discussion_r674263971



##########
File path: 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/compactions/Compactor.java
##########
@@ -278,6 +280,21 @@ protected final StoreFileWriter 
createTmpWriter(FileDetails fd, boolean shouldDr
         HConstants.EMPTY_STRING);
   }
 
+  /**
+   * Default method for initializing a StoreFileWriter in the compaction 
process, this creates the

Review comment:
       > What I meant is that other compactors may overwrite the method with a 
different logic.
   
   I'm just thinking about what other potential compaction algorithms may 
choose to do. I would expect that any future compactions would still want to 
leverage the "commit logic" here to avoid that rename. Just keeping tabs on 
"pre-optimization" without a specific use-case in mind. Although, as long as 
other compaction algorithms can extend DirectStoreCompactor and get the new 
shiny solution, it's not a concern.




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